package com.gdut.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.gdut.commonutils.R;
import com.gdut.servicebase.exceptionhandler.GuliException;
import com.gdut.vod.service.VodService;
import com.gdut.vod.utils.ConstantVodUtils;
import com.gdut.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

/**
 * @author Drifiter
 * @create 2021-08-26 11:10
 */
@Service
public class VodServiceImpl implements VodService {

    //上传视频到|阿里云
    @Override
    public String uploadVideoAly(MultipartFile file) {

        try {
            //accessKeyId, accessKeySecret
            //fileName: 止传文件原始名称
            String fileName = file.getOriginalFilename();

            // title:上传之后显示名称
            String title = fileName.substring(0,fileName.lastIndexOf("."));

            // inputStream:上传文件输入流
            InputStream inputStream = file.getInputStream();

            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;

//        System.out.print("RequestId=" + response.getRequestId() + "\n");  //请求视频点播服务的请求ID
            if (response.isSuccess()) {
                videoId = response.getVideoId();
    //            System.out.print("VideoId=" + response.getVideoId() + "\n");
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
    //            System.out.print("VideoId=" + response.getVideoId() + "\n");
    //            System.out.print("ErrorCode=" + response.getCode() + "\n");
    //            System.out.print("ErrorMessage=" + response.getMessage() + "\n");
            }

            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }


    //删除多个阿里云视频的方法
    //参数多个视频id List videoIdList
    @Override
    public void removeMoreAlyVideo(List videoIdList) {

        try {
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);


            //创建删除视频request对象
            DeleteVideoRequest request = new DeleteVideoRequest();

            //videoIdList值转换成1，2，3
            String videoIds = StringUtils.join(videoIdList, ",");


            //向request设置视频id
            request.setVideoIds(videoIds);

            //调用初始化对象的方法实现删除
            client.getAcsResponse(request);
        } catch (Exception e) {
            e.printStackTrace();
            throw new GuliException(20001,"删除视频失败");
        }

    }
}
